Search a number
-
+
145534222460 = 225111499441307
BaseRepresentation
bin1000011110001010000…
…1000000000001111100
3111220122112022111202102
42013202201000001330
54341023230104320
6150505115244232
713341321323444
oct2074241000174
9456575274672
10145534222460
11567a2302410
1224257149678
13109542c8843
147088633124
153bbba01175
hex21e284007c

145534222460 has 48 divisors (see below), whose sum is σ = 333628848000. Its totient is φ = 52886111040.

The previous prime is 145534222429. The next prime is 145534222481. The reversal of 145534222460 is 64222435541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109127 + ... + 550433.

It is an arithmetic number, because the mean of its divisors is an integer number (6950601000).

Almost surely, 2145534222460 is an apocalyptic number.

145534222460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145534222460 is an abundant number, since it is smaller than the sum of its proper divisors (188094625540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145534222460 is a wasteful number, since it uses less digits than its factorization.

145534222460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442826 (or 442824 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 145534222460 in words is "one hundred forty-five billion, five hundred thirty-four million, two hundred twenty-two thousand, four hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1499 2998 5996 7495 14990 16489 29980 32978 65956 82445 164890 329780 441307 882614 1765228 2206535 4413070 4854377 8826140 9708754 19417508 24271885 48543770 97087540 661519193 1323038386 2646076772 3307595965 6615191930 7276711123 13230383860 14553422246 29106844492 36383555615 72767111230 145534222460