149473351 has 4 divisors (see below), whose sum is σ = 154295104. Its totient is φ = 144651600.

The previous prime is 149473339. The next prime is 149473369. The reversal of 149473351 is 153374941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 153374941 = 197 ⋅778553.

It is a cyclic number.

It is not a de Polignac number, because 149473351 - 2⁷ = 149473223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149473351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149473321) 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, 2410830 + ... + 2410891.

It is an arithmetic number, because the mean of its divisors is an integer number (38573776).

Almost surely, 2^149473351 is an apocalyptic number.

149473351 is a deficient number, since it is larger than the sum of its proper divisors (4821753).

149473351 is an equidigital number, since it uses as much as digits as its factorization.

149473351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821752.

The product of its digits is 45360, while the sum is 37.

The square root of 149473351 is about 12225.9294534199. The cubic root of 149473351 is about 530.7067242281.

The spelling of 149473351 in words is "one hundred forty-nine million, four hundred seventy-three thousand, three hundred fifty-one".