149259473 has 8 divisors (see below), whose sum is σ = 172406880. Its totient is φ = 127708480.

The previous prime is 149259457. The next prime is 149259499. The reversal of 149259473 is 374952941.

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

It is a cyclic number.

It is not a de Polignac number, because 149259473 - 2⁴ = 149259457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (149259403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398903 + ... + 399276.

It is an arithmetic number, because the mean of its divisors is an integer number (21550860).

Almost surely, 2^149259473 is an apocalyptic number.

It is an amenable number.

149259473 is a deficient number, since it is larger than the sum of its proper divisors (23147407).

149259473 is a wasteful number, since it uses less digits than its factorization.

149259473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798207.

The product of its digits is 272160, while the sum is 44.

The square root of 149259473 is about 12217.1794207992. The cubic root of 149259473 is about 530.4534780295.

It can be divided in two parts, 149259 and 473, that multiplied together give a palindrome (70599507).

The spelling of 149259473 in words is "one hundred forty-nine million, two hundred fifty-nine thousand, four hundred seventy-three".