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145323070 = 2514532307
BaseRepresentation
bin10001010100101…
…11010000111110
3101010110011202221
420222113100332
5244200314240
622230435554
73413140264
oct1052272076
9333404687
10145323070
1175038412
1240802bba
13241521a9
141542c434
15cb58a4a
hex8a9743e

145323070 has 8 divisors (see below), whose sum is σ = 261581544. Its totient is φ = 58129224.

The previous prime is 145323053. The next prime is 145323103. The reversal of 145323070 is 70323541.

145323070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1453230702 = 42237589348449800, which contains 22 as substring.

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, 7266144 + ... + 7266163.

It is an arithmetic number, because the mean of its divisors is an integer number (32697693).

Almost surely, 2145323070 is an apocalyptic number.

145323070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145323070 is a deficient number, since it is larger than the sum of its proper divisors (116258474).

145323070 is a wasteful number, since it uses less digits than its factorization.

145323070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14532314.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 145323070 is about 12055.0018664453. The cubic root of 145323070 is about 525.7486763624.

The spelling of 145323070 in words is "one hundred forty-five million, three hundred twenty-three thousand, seventy".

Divisors: 1 2 5 10 14532307 29064614 72661535 145323070