150721485437 has 2 divisors, whose sum is σ = 150721485438. Its totient is φ = 150721485436.

The previous prime is 150721485419. The next prime is 150721485443. The reversal of 150721485437 is 734584127051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88271975236 + 62449510201 = 297106^2 + 249899^2 .

It is a cyclic number.

It is not a de Polignac number, because 150721485437 - 2¹⁴ = 150721469053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 150721485391 and 150721485400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150721485737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75360742718 + 75360742719.

It is an arithmetic number, because the mean of its divisors is an integer number (75360742719).

Almost surely, 2^150721485437 is an apocalyptic number.

It is an amenable number.

150721485437 is a deficient number, since it is larger than the sum of its proper divisors (1).

150721485437 is an equidigital number, since it uses as much as digits as its factorization.

150721485437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 940800, while the sum is 47.

The spelling of 150721485437 in words is "one hundred fifty billion, seven hundred twenty-one million, four hundred eighty-five thousand, four hundred thirty-seven".