152740705 has 16 divisors (see below), whose sum is σ = 198584064. Its totient is φ = 112109760.

The previous prime is 152740697. The next prime is 152740727. The reversal of 152740705 is 507047251.

It is not a de Polignac number, because 152740705 - 2³ = 152740697 is a prime.

It is a Duffinian number.

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, 3820 + ... + 17890.

It is an arithmetic number, because the mean of its divisors is an integer number (12411504).

Almost surely, 2^152740705 is an apocalyptic number.

It is an amenable number.

152740705 is a deficient number, since it is larger than the sum of its proper divisors (45843359).

152740705 is a wasteful number, since it uses less digits than its factorization.

152740705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14256.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 152740705 is about 12358.8310531377. The cubic root of 152740705 is about 534.5458106986.

Adding to 152740705 its reverse (507047251), we get a palindrome (659787956).

The spelling of 152740705 in words is "one hundred fifty-two million, seven hundred forty thousand, seven hundred five".