151494157 has 8 divisors (see below), whose sum is σ = 160644600. Its totient is φ = 142370304.

The previous prime is 151494137. The next prime is 151494227. The reversal of 151494157 is 751494151.

It can be written as a sum of positive squares in 4 ways, for example, as 60310756 + 91183401 = 7766^2 + 9549^2 .

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 151494157 - 2⁷ = 151494029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151494127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5769 + ... + 18337.

It is an arithmetic number, because the mean of its divisors is an integer number (20080575).

Almost surely, 2^151494157 is an apocalyptic number.

151494157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

151494157 is a deficient number, since it is larger than the sum of its proper divisors (9150443).

151494157 is a wasteful number, since it uses less digits than its factorization.

151494157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13295.

The product of its digits is 25200, while the sum is 37.

The square root of 151494157 is about 12308.2962671525. The cubic root of 151494157 is about 533.0876576388.

It can be divided in two parts, 15149 and 4157, that added together give a triangular number (19306 = T₁₉₆).

The spelling of 151494157 in words is "one hundred fifty-one million, four hundred ninety-four thousand, one hundred fifty-seven".