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145625361 = 3761791439
BaseRepresentation
bin10001010111000…
…01000100010001
3101011000112102220
420223201010101
5244240002421
622241131253
73415536510
oct1053410421
9334015386
10145625361
1175224542
1240929b29
132422996b
14154aa677
15cbb83c6
hex8ae1111

145625361 has 32 divisors (see below), whose sum is σ = 228556800. Its totient is φ = 80758080.

The previous prime is 145625357. The next prime is 145625369. The reversal of 145625361 is 163526541.

It is not a de Polignac number, because 145625361 - 22 = 145625357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145625369) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100480 + ... + 101918.

It is an arithmetic number, because the mean of its divisors is an integer number (7142400).

Almost surely, 2145625361 is an apocalyptic number.

It is an amenable number.

145625361 is a deficient number, since it is larger than the sum of its proper divisors (82931439).

145625361 is a wasteful number, since it uses less digits than its factorization.

145625361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589.

The product of its digits is 21600, while the sum is 33.

The square root of 145625361 is about 12067.5333436457. The cubic root of 145625361 is about 526.1129659014.

The spelling of 145625361 in words is "one hundred forty-five million, six hundred twenty-five thousand, three hundred sixty-one".

Divisors: 1 3 7 21 61 79 183 237 427 553 1281 1439 1659 4317 4819 10073 14457 30219 33733 87779 101199 113681 263337 341043 614453 795767 1843359 2387301 6934541 20803623 48541787 145625361