145311150453450 has 48 divisors (see below), whose sum is σ = 360372727588896. Its totient is φ = 38749524587200.

The previous prime is 145311150453389. The next prime is 145311150453451. The reversal of 145311150453450 is 54354051113541.

It is a super-2 number, since 2×145311150453450² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145311150453451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56850649 + ... + 59351651.

It is an arithmetic number, because the mean of its divisors is an integer number (7507765158102).

Almost surely, 2^{145311150453450} is an apocalyptic number.

145311150453450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145311150453450 is an abundant number, since it is smaller than the sum of its proper divisors (215061577135446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145311150453450 is a wasteful number, since it uses less digits than its factorization.

145311150453450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888359 (or 2888354 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 145311150453450 in words is "one hundred forty-five trillion, three hundred eleven billion, one hundred fifty million, four hundred fifty-three thousand, four hundred fifty".