145608814390 has 32 divisors (see below), whose sum is σ = 297112727520. Its totient is φ = 50933608704.

The previous prime is 145608814367. The next prime is 145608814433. The reversal of 145608814390 is 93418806541.

It is a happy number.

It is a super-2 number, since 2×145608814390² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29472999 + ... + 29477938.

It is an arithmetic number, because the mean of its divisors is an integer number (9284772735).

Almost surely, 2^145608814390 is an apocalyptic number.

145608814390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145608814390 is an abundant number, since it is smaller than the sum of its proper divisors (151503913130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145608814390 is a wasteful number, since it uses less digits than its factorization.

145608814390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58950976.

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 145608814390 in words is "one hundred forty-five billion, six hundred eight million, eight hundred fourteen thousand, three hundred ninety".