151940469 has 4 divisors (see below), whose sum is σ = 202587296. Its totient is φ = 101293644.

The previous prime is 151940449. The next prime is 151940471. The reversal of 151940469 is 964049151.

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 151940469 - 2¹² = 151936373 is a prime.

It is a super-2 number, since 2×151940469² = 46171812239879922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151940419) 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, 25323409 + ... + 25323414.

It is an arithmetic number, because the mean of its divisors is an integer number (50646824).

Almost surely, 2^151940469 is an apocalyptic number.

It is an amenable number.

151940469 is a deficient number, since it is larger than the sum of its proper divisors (50646827).

151940469 is an equidigital number, since it uses as much as digits as its factorization.

151940469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50646826.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 151940469 is about 12326.4134686453. The cubic root of 151940469 is about 533.6106484456.

The spelling of 151940469 in words is "one hundred fifty-one million, nine hundred forty thousand, four hundred sixty-nine".