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145442212 = 2238239511
BaseRepresentation
bin10001010101101…
…00010110100100
3101010200020012121
420222310112210
5244213122322
622233155324
73414144526
oct1052642644
9333606177
10145442212
1175109983
124085bb44
13241944a6
141545da16
15cb7dec7
hex8ab45a4

145442212 has 12 divisors (see below), whose sum is σ = 254617216. Its totient is φ = 72694440.

The previous prime is 145442203. The next prime is 145442237. The reversal of 145442212 is 212244541.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10537 + ... + 20047.

Almost surely, 2145442212 is an apocalyptic number.

It is an amenable number.

145442212 is a deficient number, since it is larger than the sum of its proper divisors (109175004).

145442212 is a wasteful number, since it uses less digits than its factorization.

145442212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13338 (or 13336 counting only the distinct ones).

The product of its digits is 2560, while the sum is 25.

The square root of 145442212 is about 12059.9424542574. The cubic root of 145442212 is about 525.8923141176.

Adding to 145442212 its reverse (212244541), we get a palindrome (357686753).

The spelling of 145442212 in words is "one hundred forty-five million, four hundred forty-two thousand, two hundred twelve".