149619345 has 32 divisors (see below), whose sum is σ = 244138752. Its totient is φ = 78231552.

The previous prime is 149619313. The next prime is 149619367. The reversal of 149619345 is 543916941.

It is not a de Polignac number, because 149619345 - 2⁵ = 149619313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149619297 and 149619306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174157 + ... + 175013.

It is an arithmetic number, because the mean of its divisors is an integer number (7629336).

Almost surely, 2^149619345 is an apocalyptic number.

149619345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

149619345 is a deficient number, since it is larger than the sum of its proper divisors (94519407).

149619345 is a wasteful number, since it uses less digits than its factorization.

With its successor (149619346) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (1081).

149619345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081.

The product of its digits is 116640, while the sum is 42.

The square root of 149619345 is about 12231.8986670100. The cubic root of 149619345 is about 530.8794524216.

The spelling of 149619345 in words is "one hundred forty-nine million, six hundred nineteen thousand, three hundred forty-five".