149357954 has 8 divisors (see below), whose sum is σ = 237215628. Its totient is φ = 70286080.

The previous prime is 149357939. The next prime is 149357959. The reversal of 149357954 is 459753941.

It can be written as a sum of positive squares in 2 ways, for example, as 138697729 + 10660225 = 11777^2 + 3265^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×149357954² = 44615596846132232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 149357899 and 149357908.

It is not an unprimeable number, because it can be changed into a prime (149357959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2196407 + ... + 2196474.

Almost surely, 2^149357954 is an apocalyptic number.

149357954 is a deficient number, since it is larger than the sum of its proper divisors (87857674).

149357954 is a wasteful number, since it uses less digits than its factorization.

149357954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4392900.

The product of its digits is 680400, while the sum is 47.

The square root of 149357954 is about 12221.2091873104. The cubic root of 149357954 is about 530.5701163081.

The spelling of 149357954 in words is "one hundred forty-nine million, three hundred fifty-seven thousand, nine hundred fifty-four".