60921445 has 8 divisors (see below), whose sum is σ = 78729336. Its totient is φ = 44988096.

The previous prime is 60921437. The next prime is 60921461. The reversal of 60921445 is 54412906.

60921445 is digitally balanced in base 2, 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 4 ways, for example, as 1954404 + 58967041 = 1398^2 + 7679^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 60921445 - 2³ = 60921437 is a prime.

It is a super-2 number, since 2×60921445² = 7422844921776050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468562 + ... + 468691.

It is an arithmetic number, because the mean of its divisors is an integer number (9841167).

Almost surely, 2^60921445 is an apocalyptic number.

60921445 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

60921445 is a deficient number, since it is larger than the sum of its proper divisors (17807891).

60921445 is a wasteful number, since it uses less digits than its factorization.

60921445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937271.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 60921445 is about 7805.2190872518. The cubic root of 60921445 is about 393.4806667404.

The spelling of 60921445 in words is "sixty million, nine hundred twenty-one thousand, four hundred forty-five".