149155750029 has 48 divisors (see below), whose sum is σ = 235931130176. Its totient is φ = 83259982080.

The previous prime is 149155749991. The next prime is 149155750087. The reversal of 149155750029 is 920057551941.

It is not a de Polignac number, because 149155750029 - 2⁸ = 149155749773 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 149155750029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149155750729) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2122002 + ... + 2191164.

Almost surely, 2^149155750029 is an apocalyptic number.

It is an amenable number.

149155750029 is a deficient number, since it is larger than the sum of its proper divisors (86775380147).

149155750029 is a wasteful number, since it uses less digits than its factorization.

149155750029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69658 (or 69647 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 48.

It can be divided in two parts, 1491 and 55750029, that added together give a triangular number (55751520 = T₁₀₅₅₉).

The spelling of 149155750029 in words is "one hundred forty-nine billion, one hundred fifty-five million, seven hundred fifty thousand, twenty-nine".