146154015490 has 24 divisors (see below), whose sum is σ = 306028613052. Its totient is φ = 50109948000.

The previous prime is 146154015481. The next prime is 146154015503. The reversal of 146154015490 is 94510451641.

It can be written as a sum of positive squares in 2 ways, for example, as 140895880321 + 5258135169 = 375361^2 + 72513^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149136261 + ... + 149137240.

Almost surely, 2^146154015490 is an apocalyptic number.

146154015490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146154015490 is an abundant number, since it is smaller than the sum of its proper divisors (159874597562).

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

146154015490 is a wasteful number, since it uses less digits than its factorization.

146154015490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298273522 (or 298273515 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 146154015490 in words is "one hundred forty-six billion, one hundred fifty-four million, fifteen thousand, four hundred ninety".