149752226450 has 18 divisors (see below), whose sum is σ = 278544230901. Its totient is φ = 59899796040.

The previous prime is 149752226387. The next prime is 149752226461. The reversal of 149752226450 is 54622257941.

It can be written as a sum of positive squares in 2 ways, for example, as 146757181921 + 2995044529 = 383089^2 + 54727^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=273635.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149752226395 and 149752226404.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2708987 + ... + 2763713.

Almost surely, 2^149752226450 is an apocalyptic number.

149752226450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149752226450 is a deficient number, since it is larger than the sum of its proper divisors (128792004451).

149752226450 is an frugal number, since it uses more digits than its factorization.

149752226450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109466 (or 54734 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 149752226450 in words is "one hundred forty-nine billion, seven hundred fifty-two million, two hundred twenty-six thousand, four hundred fifty".