148999450 has 12 divisors (see below), whose sum is σ = 277139070. Its totient is φ = 59599760.

The previous prime is 148999391. The next prime is 148999471. The reversal of 148999450 is 54999841.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 81775849 + 67223601 = 9043^2 + 8199^2 .

It is a super-2 number, since 2×148999450² = 44401672200605000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 148999394 and 148999403.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1489945 + ... + 1490044.

Almost surely, 2^148999450 is an apocalyptic number.

148999450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148999450 is a deficient number, since it is larger than the sum of its proper divisors (128139620).

148999450 is a wasteful number, since it uses less digits than its factorization.

148999450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2980001 (or 2979996 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 49.

The square root of 148999450 is about 12206.5330868351. The cubic root of 148999450 is about 530.1452669325.

The spelling of 148999450 in words is "one hundred forty-eight million, nine hundred ninety-nine thousand, four hundred fifty".