Search a number
-
+
145075952 = 2471295321
BaseRepresentation
bin10001010010110…
…10111011110000
3101002222121210102
420221122323300
5244114412302
622221251532
73411060650
oct1051327360
9332877712
10145075952
117498978a
1240703ba8
1324096878
14153a6360
15cb0a702
hex8a5aef0

145075952 has 20 divisors (see below), whose sum is σ = 321239856. Its totient is φ = 62175360.

The previous prime is 145075919. The next prime is 145075967. The reversal of 145075952 is 259570541.

It is a happy number.

145075952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647549 + ... + 647772.

Almost surely, 2145075952 is an apocalyptic number.

It is an amenable number.

145075952 is an abundant number, since it is smaller than the sum of its proper divisors (176163904).

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

145075952 is a wasteful number, since it uses less digits than its factorization.

145075952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295336 (or 1295330 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 38.

The square root of 145075952 is about 12044.7479010563. The cubic root of 145075952 is about 525.4505000899.

The spelling of 145075952 in words is "one hundred forty-five million, seventy-five thousand, nine hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 1295321 2590642 5181284 9067247 10362568 18134494 20725136 36268988 72537976 145075952