151170641 has 4 divisors (see below), whose sum is σ = 155256372. Its totient is φ = 147084912.

The previous prime is 151170623. The next prime is 151170653. The reversal of 151170641 is 146071151.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 146071151 = 41 ⋅3562711.

It can be written as a sum of positive squares in 2 ways, for example, as 127599616 + 23571025 = 11296^2 + 4855^2 .

It is a cyclic number.

It is not a de Polignac number, because 151170641 - 2⁶ = 151170577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 151170641.

It is not an unprimeable number, because it can be changed into a prime (151170661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2042810 + ... + 2042883.

It is an arithmetic number, because the mean of its divisors is an integer number (38814093).

Almost surely, 2^151170641 is an apocalyptic number.

It is an amenable number.

151170641 is a deficient number, since it is larger than the sum of its proper divisors (4085731).

151170641 is an equidigital number, since it uses as much as digits as its factorization.

151170641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4085730.

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 151170641 is about 12295.1470507676. The cubic root of 151170641 is about 532.7079173670.

The spelling of 151170641 in words is "one hundred fifty-one million, one hundred seventy thousand, six hundred forty-one".