148954399 has 4 divisors (see below), whose sum is σ = 162495720. Its totient is φ = 135413080.

The previous prime is 148954381. The next prime is 148954439. The reversal of 148954399 is 993459841.

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

It is not a de Polignac number, because 148954399 - 2¹⁵ = 148921631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148954339) 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, 6770644 + ... + 6770665.

It is an arithmetic number, because the mean of its divisors is an integer number (40623930).

Almost surely, 2^148954399 is an apocalyptic number.

148954399 is a deficient number, since it is larger than the sum of its proper divisors (13541321).

148954399 is a wasteful number, since it uses less digits than its factorization.

148954399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13541320.

The product of its digits is 1399680, while the sum is 52.

The square root of 148954399 is about 12204.6875830559. The cubic root of 148954399 is about 530.0918305340.

The spelling of 148954399 in words is "one hundred forty-eight million, nine hundred fifty-four thousand, three hundred ninety-nine".