145331451430 has 32 divisors (see below), whose sum is σ = 285405039648. Its totient is φ = 52842816000.

The previous prime is 145331451409. The next prime is 145331451431. The reversal of 145331451430 is 34154133541.

It is a super-2 number, since 2×145331451430² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145331451431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1230654 + ... + 1343566.

It is an arithmetic number, because the mean of its divisors is an integer number (8918907489).

Almost surely, 2^145331451430 is an apocalyptic number.

145331451430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145331451430 is a deficient number, since it is larger than the sum of its proper divisors (140073588218).

145331451430 is a wasteful number, since it uses less digits than its factorization.

145331451430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124632.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 145331451430 its reverse (34154133541), we get a palindrome (179485584971).

The spelling of 145331451430 in words is "one hundred forty-five billion, three hundred thirty-one million, four hundred fifty-one thousand, four hundred thirty".