Search a number
-
+
145923192 = 233219106669
BaseRepresentation
bin10001011001010…
…01110001111000
3101011120122222200
420230221301320
5244324020232
622251350200
73421220022
oct1054516170
9334518880
10145923192
1175408288
1240a52360
13243023ac
1415547012
15cc2677c
hex8b29c78

145923192 has 48 divisors (see below), whose sum is σ = 416013000. Its totient is φ = 46080576.

The previous prime is 145923181. The next prime is 145923241. The reversal of 145923192 is 291329541.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 51967 + ... + 54702.

Almost surely, 2145923192 is an apocalyptic number.

145923192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145923192 is an abundant number, since it is smaller than the sum of its proper divisors (270089808).

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

145923192 is a wasteful number, since it uses less digits than its factorization.

145923192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106700 (or 106693 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 145923192 is about 12079.8672178133. The cubic root of 145923192 is about 526.4713880172.

The spelling of 145923192 in words is "one hundred forty-five million, nine hundred twenty-three thousand, one hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 18 19 24 36 38 57 72 76 114 152 171 228 342 456 684 1368 106669 213338 320007 426676 640014 853352 960021 1280028 1920042 2026711 2560056 3840084 4053422 6080133 7680168 8106844 12160266 16213688 18240399 24320532 36480798 48641064 72961596 145923192