145550542 has 8 divisors (see below), whose sum is σ = 219037896. Its totient is φ = 72537912.

The previous prime is 145550527. The next prime is 145550551. The reversal of 145550542 is 245055541.

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, 117913 + ... + 119140.

It is an arithmetic number, because the mean of its divisors is an integer number (27379737).

Almost surely, 2^145550542 is an apocalyptic number.

145550542 is a deficient number, since it is larger than the sum of its proper divisors (73487354).

145550542 is a wasteful number, since it uses less digits than its factorization.

145550542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237362.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 145550542 is about 12064.4329332132. The cubic root of 145550542 is about 526.0228488390.

The spelling of 145550542 in words is "one hundred forty-five million, five hundred fifty thousand, five hundred forty-two".