153821450 has 12 divisors (see below), whose sum is σ = 286107990. Its totient is φ = 61528560.

The previous prime is 153821407. The next prime is 153821501. The reversal of 153821450 is 54128351.

153821450 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 95863681 + 57957769 = 9791^2 + 7613^2 .

It is a super-2 number, since 2×153821450² = 47322076960205000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1538165 + ... + 1538264.

Almost surely, 2^153821450 is an apocalyptic number.

153821450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

153821450 is a deficient number, since it is larger than the sum of its proper divisors (132286540).

153821450 is a wasteful number, since it uses less digits than its factorization.

153821450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3076441 (or 3076436 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 153821450 is about 12402.4775750654. The cubic root of 153821450 is about 535.8036078786.

The spelling of 153821450 in words is "one hundred fifty-three million, eight hundred twenty-one thousand, four hundred fifty".