145651642 has 8 divisors (see below), whose sum is σ = 218844000. Its totient is φ = 72703644.

The previous prime is 145651633. The next prime is 145651643. The reversal of 145651642 is 246156541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 145651598 and 145651607.

It is not an unprimeable number, because it can be changed into a prime (145651643) 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 3 ways as a sum of consecutive naturals, for example, 59592 + ... + 61987.

It is an arithmetic number, because the mean of its divisors is an integer number (27355500).

Almost surely, 2^145651642 is an apocalyptic number.

145651642 is a deficient number, since it is larger than the sum of its proper divisors (73192358).

145651642 is a wasteful number, since it uses less digits than its factorization.

145651642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122180.

The product of its digits is 28800, while the sum is 34.

The square root of 145651642 is about 12068.6222080236. The cubic root of 145651642 is about 526.1446131893.

The spelling of 145651642 in words is "one hundred forty-five million, six hundred fifty-one thousand, six hundred forty-two".