151940437 has 4 divisors (see below), whose sum is σ = 165753216. Its totient is φ = 138127660.

The previous prime is 151940429. The next prime is 151940443. The reversal of 151940437 is 734049151.

151940437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 151940437 - 2³ = 151940429 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 (151940417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6906373 + ... + 6906394.

It is an arithmetic number, because the mean of its divisors is an integer number (41438304).

Almost surely, 2^151940437 is an apocalyptic number.

It is an amenable number.

151940437 is a deficient number, since it is larger than the sum of its proper divisors (13812779).

151940437 is a wasteful number, since it uses less digits than its factorization.

151940437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13812778.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 151940437 is about 12326.4121706196. The cubic root of 151940437 is about 533.6106109845.

Adding to 151940437 its reverse (734049151), we get a palindrome (885989588).

The spelling of 151940437 in words is "one hundred fifty-one million, nine hundred forty thousand, four hundred thirty-seven".