149253732999 has 48 divisors (see below), whose sum is σ = 260393027040. Its totient is φ = 85287786192.

The previous prime is 149253732983. The next prime is 149253733087. The reversal of 149253732999 is 999237352941.

149253732999 is a `hidden beast` number, since 1 + 4 + 9 + 2 + 537 + 3 + 2 + 9 + 99 = 666.

It is not a de Polignac number, because 149253732999 - 2⁴ = 149253732983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149253732919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 589224 + ... + 803549.

It is an arithmetic number, because the mean of its divisors is an integer number (5424854730).

Almost surely, 2^149253732999 is an apocalyptic number.

149253732999 is a deficient number, since it is larger than the sum of its proper divisors (111139294041).

149253732999 is an frugal number, since it uses more digits than its factorization.

149253732999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392808 (or 1392783 counting only the distinct ones).

The product of its digits is 33067440, while the sum is 63.

The spelling of 149253732999 in words is "one hundred forty-nine billion, two hundred fifty-three million, seven hundred thirty-two thousand, nine hundred ninety-nine".