145154531321152 has 14 divisors (see below), whose sum is σ = 288041023090538. Its totient is φ = 72577265660544.

The previous prime is 145154531321141. The next prime is 145154531321183. The reversal of 145154531321152 is 251123135451541.

It can be written as a sum of positive squares in only one way, i.e., 132679620344896 + 12474910976256 = 11518664^2 + 3531984^2 .

It is a junction number, because it is equal to n+sod(n) for n = 145154531321099 and 145154531321108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1134019775883 + ... + 1134019776010.

Almost surely, 2^{145154531321152} is an apocalyptic number.

It is an amenable number.

145154531321152 is a deficient number, since it is larger than the sum of its proper divisors (142886491769386).

145154531321152 is an equidigital number, since it uses as much as digits as its factorization.

145154531321152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268039551905 (or 2268039551895 counting only the distinct ones).

The product of its digits is 360000, while the sum is 43.

Adding to 145154531321152 its reverse (251123135451541), we get a palindrome (396277666772693).

The spelling of 145154531321152 in words is "one hundred forty-five trillion, one hundred fifty-four billion, five hundred thirty-one million, three hundred twenty-one thousand, one hundred fifty-two".