149941505 has 16 divisors (see below), whose sum is σ = 209516544. Its totient is φ = 100875840.

The previous prime is 149941487. The next prime is 149941523. The reversal of 149941505 is 505149941.

It is an interprime number because it is at equal distance from previous prime (149941487) and next prime (149941523).

It is not a de Polignac number, because 149941505 - 2⁸ = 149941249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38561 + ... + 42270.

It is an arithmetic number, because the mean of its divisors is an integer number (13094784).

Almost surely, 2^149941505 is an apocalyptic number.

It is an amenable number.

149941505 is a deficient number, since it is larger than the sum of its proper divisors (59575039).

149941505 is an equidigital number, since it uses as much as digits as its factorization.

149941505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80896.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 149941505 is about 12245.0604326806. The cubic root of 149941505 is about 531.2602087081.

The spelling of 149941505 in words is "one hundred forty-nine million, nine hundred forty-one thousand, five hundred five".