149459846 has 4 divisors (see below), whose sum is σ = 224189772. Its totient is φ = 74729922.

The previous prime is 149459839. The next prime is 149459851. The reversal of 149459846 is 648954941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 648954941 = 283 ⋅2293127.

It is a junction number, because it is equal to n+sod(n) for n = 149459794 and 149459803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37364960 + ... + 37364963.

It is an arithmetic number, because the mean of its divisors is an integer number (56047443).

Almost surely, 2^149459846 is an apocalyptic number.

149459846 is a deficient number, since it is larger than the sum of its proper divisors (74729926).

149459846 is an equidigital number, since it uses as much as digits as its factorization.

149459846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74729925.

The product of its digits is 1244160, while the sum is 50.

The square root of 149459846 is about 12225.3771311972. The cubic root of 149459846 is about 530.6907405313.

The spelling of 149459846 in words is "one hundred forty-nine million, four hundred fifty-nine thousand, eight hundred forty-six".