145162029490 has 32 divisors (see below), whose sum is σ = 263771303040. Its totient is φ = 57514431744.

The previous prime is 145162029469. The next prime is 145162029497. The reversal of 145162029490 is 94920261541.

It is not an unprimeable number, because it can be changed into a prime (145162029497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1775941 + ... + 1855879.

It is an arithmetic number, because the mean of its divisors is an integer number (8242853220).

Almost surely, 2^145162029490 is an apocalyptic number.

145162029490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145162029490 is a deficient number, since it is larger than the sum of its proper divisors (118609273550).

145162029490 is a wasteful number, since it uses less digits than its factorization.

145162029490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81666.

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 145162029490 in words is "one hundred forty-five billion, one hundred sixty-two million, twenty-nine thousand, four hundred ninety".