145821602 has 16 divisors (see below), whose sum is σ = 220996512. Its totient is φ = 72159360.

The previous prime is 145821601. The next prime is 145821619. The reversal of 145821602 is 206128541.

It is not an unprimeable number, because it can be changed into a prime (145821601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175913 + ... + 176739.

It is an arithmetic number, because the mean of its divisors is an integer number (13812282).

Almost surely, 2^145821602 is an apocalyptic number.

145821602 is a deficient number, since it is larger than the sum of its proper divisors (75174910).

145821602 is a wasteful number, since it uses less digits than its factorization.

145821602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 145821602 is about 12075.6615553766. The cubic root of 145821602 is about 526.3491852700.

The spelling of 145821602 in words is "one hundred forty-five million, eight hundred twenty-one thousand, six hundred two".