145550494 has 8 divisors (see below), whose sum is σ = 220487688. Its totient is φ = 72054600.

The previous prime is 145550479. The next prime is 145550519. The reversal of 145550494 is 494055541.

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, 360072 + ... + 360475.

It is an arithmetic number, because the mean of its divisors is an integer number (27560961).

Almost surely, 2^145550494 is an apocalyptic number.

145550494 is a deficient number, since it is larger than the sum of its proper divisors (74937194).

145550494 is a wasteful number, since it uses less digits than its factorization.

145550494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720650.

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 145550494 is about 12064.4309438945. The cubic root of 145550494 is about 526.0227910147.

The spelling of 145550494 in words is "one hundred forty-five million, five hundred fifty thousand, four hundred ninety-four".