148626887431 has 4 divisors (see below), whose sum is σ = 162138422664. Its totient is φ = 135115352200.

The previous prime is 148626887393. The next prime is 148626887467. The reversal of 148626887431 is 134788626841.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 148626887431 - 2¹³ = 148626879239 is a prime.

It is a super-2 number, since 2×148626887431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148626887471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6755767600 + ... + 6755767621.

It is an arithmetic number, because the mean of its divisors is an integer number (40534605666).

Almost surely, 2^148626887431 is an apocalyptic number.

148626887431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

148626887431 is a deficient number, since it is larger than the sum of its proper divisors (13511535233).

148626887431 is a wasteful number, since it uses less digits than its factorization.

148626887431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13511535232.

The product of its digits is 12386304, while the sum is 58.

The spelling of 148626887431 in words is "one hundred forty-eight billion, six hundred twenty-six million, eight hundred eighty-seven thousand, four hundred thirty-one".