Search a number
-
+
145435970 = 2521168927
BaseRepresentation
bin10001010101100…
…10110101000010
3101010122220122102
420222302311002
5244212422340
622233110402
73414120401
oct1052626502
9333586572
10145435970
1175105219
1240858402
13241916b4
141545b638
15cb7c215
hex8ab2d42

145435970 has 16 divisors (see below), whose sum is σ = 263029248. Its totient is φ = 57897840.

The previous prime is 145435967. The next prime is 145435981. The reversal of 145435970 is 79534541.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32354 + ... + 36573.

It is an arithmetic number, because the mean of its divisors is an integer number (16439328).

Almost surely, 2145435970 is an apocalyptic number.

145435970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145435970 is a deficient number, since it is larger than the sum of its proper divisors (117593278).

145435970 is a wasteful number, since it uses less digits than its factorization.

145435970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69145.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 145435970 is about 12059.6836608594. The cubic root of 145435970 is about 525.8847907016.

The spelling of 145435970 in words is "one hundred forty-five million, four hundred thirty-five thousand, nine hundred seventy".

Divisors: 1 2 5 10 211 422 1055 2110 68927 137854 344635 689270 14543597 29087194 72717985 145435970