151004649 has 4 divisors (see below), whose sum is σ = 201339536. Its totient is φ = 100669764.

The previous prime is 151004593. The next prime is 151004657. The reversal of 151004649 is 946400151.

It is a happy number.

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 151004649 - 2¹³ = 150996457 is a prime.

It is a super-2 number, since 2×151004649² = 45604808039226402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151004669) 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, 25167439 + ... + 25167444.

It is an arithmetic number, because the mean of its divisors is an integer number (50334884).

Almost surely, 2^151004649 is an apocalyptic number.

It is an amenable number.

151004649 is a deficient number, since it is larger than the sum of its proper divisors (50334887).

151004649 is an equidigital number, since it uses as much as digits as its factorization.

151004649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50334886.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 151004649 is about 12288.3948911158. The cubic root of 151004649 is about 532.5128670655.

The spelling of 151004649 in words is "one hundred fifty-one million, four thousand, six hundred forty-nine".