148987163770 has 16 divisors (see below), whose sum is σ = 283952006568. Its totient is φ = 56089285120.

The previous prime is 148987163713. The next prime is 148987163777. The reversal of 148987163770 is 77361789841.

It can be written as a sum of positive squares in 4 ways, for example, as 141885562329 + 7101601441 = 376677^2 + 84271^2 .

It is a super-2 number, since 2×148987163770² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 148987163699 and 148987163708.

It is not an unprimeable number, because it can be changed into a prime (148987163777) 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, 438197371 + ... + 438197710.

Almost surely, 2^148987163770 is an apocalyptic number.

148987163770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148987163770 is a deficient number, since it is larger than the sum of its proper divisors (134964842798).

148987163770 is a wasteful number, since it uses less digits than its factorization.

148987163770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876395105.

The product of its (nonzero) digits is 14224896, while the sum is 61.

The spelling of 148987163770 in words is "one hundred forty-eight billion, nine hundred eighty-seven million, one hundred sixty-three thousand, seven hundred seventy".