149516001 has 12 divisors (see below), whose sum is σ = 221805012. Its totient is φ = 96983136.

The previous prime is 149515991. The next prime is 149516009. The reversal of 149516001 is 100615941.

149516001 is a `hidden beast` number, since 1 + 4 + 9 + 51 + 600 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 111323601 + 38192400 = 10551^2 + 6180^2 .

It is not a de Polignac number, because 149516001 - 2¹¹ = 149513953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149516009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224166 + ... + 224831.

It is an arithmetic number, because the mean of its divisors is an integer number (18483751).

Almost surely, 2^149516001 is an apocalyptic number.

It is an amenable number.

149516001 is a deficient number, since it is larger than the sum of its proper divisors (72289011).

149516001 is a wasteful number, since it uses less digits than its factorization.

149516001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449040 (or 449037 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 149516001 is about 12227.6735726793. The cubic root of 149516001 is about 530.7571958543.

The spelling of 149516001 in words is "one hundred forty-nine million, five hundred sixteen thousand, one".