149949701 has 4 divisors (see below), whose sum is σ = 163581504. Its totient is φ = 136317900.

The previous prime is 149949677. The next prime is 149949727. The reversal of 149949701 is 107949941.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 149949701 - 2⁶ = 149949637 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 (149949791) 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, 6815885 + ... + 6815906.

It is an arithmetic number, because the mean of its divisors is an integer number (40895376).

Almost surely, 2^149949701 is an apocalyptic number.

149949701 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

149949701 is a deficient number, since it is larger than the sum of its proper divisors (13631803).

149949701 is a wasteful number, since it uses less digits than its factorization.

149949701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13631802.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 149949701 is about 12245.3950936668. The cubic root of 149949701 is about 531.2698883258.

The spelling of 149949701 in words is "one hundred forty-nine million, nine hundred forty-nine thousand, seven hundred one".