150400321537 has 2 divisors, whose sum is σ = 150400321538. Its totient is φ = 150400321536.

The previous prime is 150400321531. The next prime is 150400321549. The reversal of 150400321537 is 735123004051.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121714463376 + 28685858161 = 348876^2 + 169369^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150400321537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 150400321499 and 150400321508.

It is not a weakly prime, because it can be changed into another prime (150400321531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75200160768 + 75200160769.

It is an arithmetic number, because the mean of its divisors is an integer number (75200160769).

Almost surely, 2^150400321537 is an apocalyptic number.

It is an amenable number.

150400321537 is a deficient number, since it is larger than the sum of its proper divisors (1).

150400321537 is an equidigital number, since it uses as much as digits as its factorization.

150400321537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 31.

Adding to 150400321537 its reverse (735123004051), we get a palindrome (885523325588).

The spelling of 150400321537 in words is "one hundred fifty billion, four hundred million, three hundred twenty-one thousand, five hundred thirty-seven".