149506351 has 4 divisors (see below), whose sum is σ = 149709400. Its totient is φ = 149303304.

The previous prime is 149506337. The next prime is 149506363. The reversal of 149506351 is 153605941.

149506351 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 an emirpimes, since its reverse is a distinct semiprime: 153605941 = 79 ⋅1944379.

It is a cyclic number.

It is not a de Polignac number, because 149506351 - 2¹⁷ = 149375279 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 (149506321) 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, 100416 + ... + 101893.

It is an arithmetic number, because the mean of its divisors is an integer number (37427350).

Almost surely, 2^149506351 is an apocalyptic number.

149506351 is a deficient number, since it is larger than the sum of its proper divisors (203049).

149506351 is an equidigital number, since it uses as much as digits as its factorization.

149506351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203048.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 149506351 is about 12227.2789695827. The cubic root of 149506351 is about 530.7457769714.

The spelling of 149506351 in words is "one hundred forty-nine million, five hundred six thousand, three hundred fifty-one".