144557362802 has 4 divisors (see below), whose sum is σ = 216836044206. Its totient is φ = 72278681400.

The previous prime is 144557362801. The next prime is 144557362823. The reversal of 144557362802 is 208263755441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 144324769801 + 232593001 = 379901^2 + 15251^2 .

It is a super-2 number, since 2×144557362802² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144557362801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36139340699 + ... + 36139340702.

Almost surely, 2^144557362802 is an apocalyptic number.

144557362802 is a deficient number, since it is larger than the sum of its proper divisors (72278681404).

144557362802 is an equidigital number, since it uses as much as digits as its factorization.

144557362802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72278681403.

The product of its (nonzero) digits is 1612800, while the sum is 47.

Adding to 144557362802 its sum of digits (47), we get a square (144557362849 = 380207²).

The spelling of 144557362802 in words is "one hundred forty-four billion, five hundred fifty-seven million, three hundred sixty-two thousand, eight hundred two".