149762638201 has 32 divisors (see below), whose sum is σ = 174284732160. Its totient is φ = 127180032000.

The previous prime is 149762638199. The next prime is 149762638231. The reversal of 149762638201 is 102836267941.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 149762638201 - 2¹ = 149762638199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149762638231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64859235 + ... + 64861543.

It is an arithmetic number, because the mean of its divisors is an integer number (5446397880).

Almost surely, 2^149762638201 is an apocalyptic number.

149762638201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

149762638201 is a deficient number, since it is larger than the sum of its proper divisors (24522093959).

149762638201 is a wasteful number, since it uses less digits than its factorization.

149762638201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4785.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 149762638201 in words is "one hundred forty-nine billion, seven hundred sixty-two million, six hundred thirty-eight thousand, two hundred one".