149162543 has 8 divisors (see below), whose sum is σ = 150186960. Its totient is φ = 148142080.

The previous prime is 149162527. The next prime is 149162549. The reversal of 149162543 is 345261941.

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 149162543 - 2⁴ = 149162527 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 (149162549) 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, 117848 + ... + 119106.

It is an arithmetic number, because the mean of its divisors is an integer number (18773370).

Almost surely, 2^149162543 is an apocalyptic number.

149162543 is a deficient number, since it is larger than the sum of its proper divisors (1024417).

149162543 is a wasteful number, since it uses less digits than its factorization.

149162543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977.

The product of its digits is 25920, while the sum is 35.

The square root of 149162543 is about 12213.2118216299. The cubic root of 149162543 is about 530.3386266039.

The spelling of 149162543 in words is "one hundred forty-nine million, one hundred sixty-two thousand, five hundred forty-three".