Search a number
BaseRepresentation
bin10010101111000…
…00010000001001
3101221201100222222
421113200100021
5310213000421
623332223425
73615543545
oct1127402011
9357640888
10157156361
118078a99a
124476ab75
132673633b
1416c2ca25
15dbe4cab
hex95e0409

157156361 has 8 divisors (see below), whose sum is σ = 158135424. Its totient is φ = 156180960.

The previous prime is 157156333. The next prime is 157156367. The reversal of 157156361 is 163651751.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-157156361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157156367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151916 + ... + 152946.

It is an arithmetic number, because the mean of its divisors is an integer number (19766928).

Almost surely, 2157156361 is an apocalyptic number.

It is an amenable number.

157156361 is a deficient number, since it is larger than the sum of its proper divisors (979063).

157156361 is a wasteful number, since it uses less digits than its factorization.

157156361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831.

The product of its digits is 18900, while the sum is 35.

The square root of 157156361 is about 12536.2020165599. The cubic root of 157156361 is about 539.6481029223.

The spelling of 157156361 in words is "one hundred fifty-seven million, one hundred fifty-six thousand, three hundred sixty-one".