151161005 has 8 divisors (see below), whose sum is σ = 182718072. Its totient is φ = 120045568.

The previous prime is 151160987. The next prime is 151161007. The reversal of 151161005 is 500161151.

It can be written as a sum of positive squares in 4 ways, for example, as 2979076 + 148181929 = 1726^2 + 12173^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 151161005 - 2²⁶ = 84052141 is a prime.

It is a super-2 number, since 2×151161005² = 45699298865220050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151161007) 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, 109652 + ... + 111021.

It is an arithmetic number, because the mean of its divisors is an integer number (22839759).

Almost surely, 2^151161005 is an apocalyptic number.

It is an amenable number.

151161005 is a deficient number, since it is larger than the sum of its proper divisors (31557067).

151161005 is a wasteful number, since it uses less digits than its factorization.

151161005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220815.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 151161005 is about 12294.7551825972. The cubic root of 151161005 is about 532.6965984086.

The spelling of 151161005 in words is "one hundred fifty-one million, one hundred sixty-one thousand, five".