145540400031122 has 16 divisors (see below), whose sum is σ = 227820318923520. Its totient is φ = 69600792436032.

The previous prime is 145540400031121. The next prime is 145540400031133. The reversal of 145540400031122 is 221130004045541.

It is not an unprimeable number, because it can be changed into a prime (145540400031121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124088138 + ... + 125255525.

It is an arithmetic number, because the mean of its divisors is an integer number (14238769932720).

Almost surely, 2^{145540400031122} is an apocalyptic number.

145540400031122 is a deficient number, since it is larger than the sum of its proper divisors (82279918892398).

145540400031122 is a wasteful number, since it uses less digits than its factorization.

145540400031122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249356377.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 145540400031122 its reverse (221130004045541), we get a palindrome (366670404076663).

The spelling of 145540400031122 in words is "one hundred forty-five trillion, five hundred forty billion, four hundred million, thirty-one thousand, one hundred twenty-two".