145693546 has 32 divisors (see below), whose sum is σ = 236776320. Its totient is φ = 67060224.

The previous prime is 145693543. The next prime is 145693547. The reversal of 145693546 is 645396541.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (145693543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143890 + ... + 144898.

It is an arithmetic number, because the mean of its divisors is an integer number (7399260).

Almost surely, 2^145693546 is an apocalyptic number.

145693546 is a deficient number, since it is larger than the sum of its proper divisors (91082774).

145693546 is a wasteful number, since it uses less digits than its factorization.

145693546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150.

The product of its digits is 388800, while the sum is 43.

The square root of 145693546 is about 12070.3581554153. The cubic root of 145693546 is about 526.1950656468.

The spelling of 145693546 in words is "one hundred forty-five million, six hundred ninety-three thousand, five hundred forty-six".