145542494 has 8 divisors (see below), whose sum is σ = 218485200. Its totient is φ = 72714096.

The previous prime is 145542437. The next prime is 145542517. The reversal of 145542494 is 494245541.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25319 + ... + 30530.

It is an arithmetic number, because the mean of its divisors is an integer number (27310650).

Almost surely, 2^145542494 is an apocalyptic number.

145542494 is a deficient number, since it is larger than the sum of its proper divisors (72942706).

145542494 is a wasteful number, since it uses less digits than its factorization.

145542494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57154.

The product of its digits is 115200, while the sum is 38.

The square root of 145542494 is about 12064.0993861954. The cubic root of 145542494 is about 526.0131534442.

The spelling of 145542494 in words is "one hundred forty-five million, five hundred forty-two thousand, four hundred ninety-four".