145304747234122 has 12 divisors (see below), whose sum is σ = 253541956908690. Its totient is φ = 62273463100296.

The previous prime is 145304747234111. The next prime is 145304747234147. The reversal of 145304747234122 is 221432747403541.

It is a happy number.

145304747234122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 87494865269161 + 57809881964961 = 9353869^2 + 7603281^2 .

It is a super-2 number, since 2×145304747234122² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 741350751097 + ... + 741350751292.

Almost surely, 2^{145304747234122} is an apocalyptic number.

145304747234122 is a deficient number, since it is larger than the sum of its proper divisors (108237209674568).

145304747234122 is a wasteful number, since it uses less digits than its factorization.

145304747234122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482701502405 (or 1482701502398 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 49.

The spelling of 145304747234122 in words is "one hundred forty-five trillion, three hundred four billion, seven hundred forty-seven million, two hundred thirty-four thousand, one hundred twenty-two".