149000515278 has 16 divisors (see below), whose sum is σ = 302886294096. Its totient is φ = 48852627840.

The previous prime is 149000515271. The next prime is 149000515283. The reversal of 149000515278 is 872515000941.

It is a super-2 number, since 2×149000515278² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149000515271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203552251 + ... + 203552982.

It is an arithmetic number, because the mean of its divisors is an integer number (18930393381).

Almost surely, 2^149000515278 is an apocalyptic number.

149000515278 is an abundant number, since it is smaller than the sum of its proper divisors (153885778818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149000515278 is a wasteful number, since it uses less digits than its factorization.

149000515278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407105299.

The product of its (nonzero) digits is 100800, while the sum is 42.

The spelling of 149000515278 in words is "one hundred forty-nine billion, five hundred fifteen thousand, two hundred seventy-eight".