149793970 has 16 divisors (see below), whose sum is σ = 285490008. Its totient is φ = 56392960.

The previous prime is 149793937. The next prime is 149793989. The reversal of 149793970 is 79397941.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 136258929 + 13535041 = 11673^2 + 3679^2 .

It is a super-3 number, since 3×149793970³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440401 + ... + 440740.

Almost surely, 2^149793970 is an apocalyptic number.

149793970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149793970 is a deficient number, since it is larger than the sum of its proper divisors (135696038).

149793970 is a wasteful number, since it uses less digits than its factorization.

149793970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881165.

The product of its (nonzero) digits is 428652, while the sum is 49.

The square root of 149793970 is about 12239.0346841571. The cubic root of 149793970 is about 531.0859069671.

The spelling of 149793970 in words is "one hundred forty-nine million, seven hundred ninety-three thousand, nine hundred seventy".