148998197394 has 48 divisors (see below), whose sum is σ = 330715262592. Its totient is φ = 48455505504.

The previous prime is 148998197363. The next prime is 148998197417. The reversal of 148998197394 is 493791899841.

148998197394 is a `hidden beast` number, since 1 + 48 + 9 + 9 + 8 + 197 + 394 = 666.

It is a super-2 number, since 2×148998197394² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 569047 + ... + 788549.

It is an arithmetic number, because the mean of its divisors is an integer number (6889901304).

Almost surely, 2^148998197394 is an apocalyptic number.

148998197394 is an abundant number, since it is smaller than the sum of its proper divisors (181717065198).

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

148998197394 is a wasteful number, since it uses less digits than its factorization.

148998197394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220431 (or 220428 counting only the distinct ones).

The product of its digits is 141087744, while the sum is 72.

The spelling of 148998197394 in words is "one hundred forty-eight billion, nine hundred ninety-eight million, one hundred ninety-seven thousand, three hundred ninety-four".