151520705 has 16 divisors (see below), whose sum is σ = 209862144. Its totient is φ = 102868800.

The previous prime is 151520671. The next prime is 151520713. The reversal of 151520705 is 507025151.

It is a happy number.

It is not a de Polignac number, because 151520705 - 2¹⁴ = 151504321 is a prime.

It is a Duffinian number.

151520705 is a modest number, since divided by 20705 gives 1515 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17897 + ... + 24966.

It is an arithmetic number, because the mean of its divisors is an integer number (13116384).

Almost surely, 2^151520705 is an apocalyptic number.

It is an amenable number.

151520705 is a deficient number, since it is larger than the sum of its proper divisors (58341439).

151520705 is a wasteful number, since it uses less digits than its factorization.

151520705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42976.

The product of its (nonzero) digits is 1750, while the sum is 26.

The square root of 151520705 is about 12309.3746794872. The cubic root of 151520705 is about 533.1187954393.

Adding to 151520705 its reverse (507025151), we get a palindrome (658545856).

The spelling of 151520705 in words is "one hundred fifty-one million, five hundred twenty thousand, seven hundred five".