146961533 has 4 divisors (see below), whose sum is σ = 148388448. Its totient is φ = 145534620.

The previous prime is 146961509. The next prime is 146961541. The reversal of 146961533 is 335169641.

146961533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 146961533 - 2⁶ = 146961469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146961593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713303 + ... + 713508.

It is an arithmetic number, because the mean of its divisors is an integer number (37097112).

Almost surely, 2^146961533 is an apocalyptic number.

It is an amenable number.

146961533 is a deficient number, since it is larger than the sum of its proper divisors (1426915).

146961533 is a wasteful number, since it uses less digits than its factorization.

146961533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426914.

The product of its digits is 58320, while the sum is 38.

The square root of 146961533 is about 12122.7691968461. The cubic root of 146961533 is about 527.7171697010.

The spelling of 146961533 in words is "one hundred forty-six million, nine hundred sixty-one thousand, five hundred thirty-three".