145522078 has 16 divisors (see below), whose sum is σ = 237159216. Its totient is φ = 66568320.

The previous prime is 145522067. The next prime is 145522093. The reversal of 145522078 is 870225541.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21828 + ... + 27703.

It is an arithmetic number, because the mean of its divisors is an integer number (14822451).

Almost surely, 2^145522078 is an apocalyptic number.

145522078 is a deficient number, since it is larger than the sum of its proper divisors (91637138).

145522078 is a wasteful number, since it uses less digits than its factorization.

145522078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49659.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 145522078 is about 12063.2532096446. The cubic root of 145522078 is about 525.9885567636.

The spelling of 145522078 in words is "one hundred forty-five million, five hundred twenty-two thousand, seventy-eight".