149253801 has 16 divisors (see below), whose sum is σ = 201862080. Its totient is φ = 98081280.

The previous prime is 149253791. The next prime is 149253833. The reversal of 149253801 is 108352941.

It is a de Polignac number, because none of the positive numbers 2^k-149253801 is a prime.

It is a super-2 number, since 2×149253801² = 44553394225895202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149253851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114966 + ... + 116256.

It is an arithmetic number, because the mean of its divisors is an integer number (12616380).

Almost surely, 2^149253801 is an apocalyptic number.

It is an amenable number.

149253801 is a deficient number, since it is larger than the sum of its proper divisors (52608279).

149253801 is a wasteful number, since it uses less digits than its factorization.

149253801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 149253801 is about 12216.9472864542. The cubic root of 149253801 is about 530.4467587011.

The spelling of 149253801 in words is "one hundred forty-nine million, two hundred fifty-three thousand, eight hundred one".