149323507776 has 147 divisors (see below), whose sum is σ = 444515992221. Its totient is φ = 49746680064.

The previous prime is 149323507721. The next prime is 149323507789. The reversal of 149323507776 is 677705323941.

The square root of 149323507776 is 386424.

It is a perfect power (a square), and thus also a powerful number.

149323507776 is a `hidden beast` number, since 1 + 49 + 3 + 23 + 507 + 7 + 76 = 666.

It can be written as a sum of positive squares in only one way, i.e., 141093389376 + 8230118400 = 375624^2 + 90720^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 83466690 + ... + 83468478.

Almost surely, 2^149323507776 is an apocalyptic number.

149323507776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

149323507776 is the 386424-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149323507776

149323507776 is an abundant number, since it is smaller than the sum of its proper divisors (295192484445).

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

149323507776 is an frugal number, since it uses more digits than its factorization.

149323507776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3608 (or 1794 counting only the distinct ones).

The product of its (nonzero) digits is 6667920, while the sum is 54.

The spelling of 149323507776 in words is "one hundred forty-nine billion, three hundred twenty-three million, five hundred seven thousand, seven hundred seventy-six".