149249621102 has 16 divisors (see below), whose sum is σ = 226459370592. Its totient is φ = 73768102560.

The previous prime is 149249621089. The next prime is 149249621167. The reversal of 149249621102 is 201126942941.

It is a self number, because there is not a number n which added to its sum of digits gives 149249621102.

It is a congruent number.

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, 1173953 + ... + 1294860.

It is an arithmetic number, because the mean of its divisors is an integer number (14153710662).

Almost surely, 2^149249621102 is an apocalyptic number.

149249621102 is a deficient number, since it is larger than the sum of its proper divisors (77209749490).

149249621102 is a wasteful number, since it uses less digits than its factorization.

149249621102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469163.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 149249621102 in words is "one hundred forty-nine billion, two hundred forty-nine million, six hundred twenty-one thousand, one hundred two".